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// script.aculo.us effects.js v1.6.4, Wed Sep 06 11:30:58 CEST 2006
// See http://script.aculo.us for more info
String.prototype.parseColor = function() { var color = '#'; if(this.slice(0,4) == 'rgb(') { var cols = this.slice(4,this.length-1).split(','); var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);} else { if(this.slice(0,1) == '#') { if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase(); if(this.length==7) color = this.toLowerCase();}
}
return(color.length==7 ? color : (arguments[0] || this));}
Element.collectTextNodes = function(element) { return $A($(element).childNodes).collect( function(node) { return (node.nodeType==3 ? node.nodeValue :
(node.hasChildNodes() ? Element.collectTextNodes(node) : ''));}).flatten().join('');}
Element.collectTextNodesIgnoreClass = function(element, className) { return $A($(element).childNodes).collect( function(node) { return (node.nodeType==3 ? node.nodeValue :
((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
Element.collectTextNodesIgnoreClass(node, className) : ''));}).flatten().join('');}
Element.setContentZoom = function(element, percent) { element = $(element); Element.setStyle(element, {fontSize: (percent/100) + 'em'}); if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);}
Element.getOpacity = function(element){ var opacity; if (opacity = Element.getStyle(element, 'opacity'))
return parseFloat(opacity); if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))
if(opacity[1]) return parseFloat(opacity[1]) / 100; return 1.0;}
Element.setOpacity = function(element, value){ element= $(element); if (value == 1){ Element.setStyle(element, { opacity:
(/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
0.999999 : 1.0 }); if(/MSIE/.test(navigator.userAgent) && !window.opera)
Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});} else { if(value < 0.00001) value = 0; Element.setStyle(element, {opacity: value}); if(/MSIE/.test(navigator.userAgent) && !window.opera)
Element.setStyle(element, { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') + 'alpha(opacity='+value*100+')' });}
}
Element.getInlineOpacity = function(element){ return $(element).style.opacity || '';}
Element.childrenWithClassName = function(element, className, findFirst) { var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)"); var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { return (c.className && c.className.match(classNameRegExp));}); if(!results) results = []; return results;}
Element.forceRerendering = function(element) { try { element = $(element); var n = document.createTextNode(' '); element.appendChild(n); element.removeChild(n);} catch(e) { }
}; Array.prototype.call = function() { var args = arguments; this.each(function(f){ f.apply(this, args) });}
var Effect = { _elementDoesNotExistError: { name: 'ElementDoesNotExistError', message: 'The specified DOM element does not exist, but is required for this effect to operate'
}, tagifyText: function(element) { if(typeof Builder == 'undefined')
throw("Effect.tagifyText requires including script.aculo.us' builder.js library"); var tagifyStyle = 'position:relative'; if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1'; element = $(element); $A(element.childNodes).each( function(child) { if(child.nodeType==3) { child.nodeValue.toArray().each( function(character) { element.insertBefore( Builder.node('span',{style: tagifyStyle}, character == ' ' ? String.fromCharCode(160) : character), child);}); Element.remove(child);}
});}, multiple: function(element, effect) { var elements; if(((typeof element == 'object') || (typeof element == 'function')) &&
(element.length))
elements = element; else
elements = $(element).childNodes; var options = Object.extend({ speed: 0.1, delay: 0.0
}, arguments[2] || {}); var masterDelay = options.delay; $A(elements).each( function(element, index) { new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));});}, PAIRS: { 'blind': ['BlindDown','BlindUp'], 'appear': ['Appear','Fade']
}, toggle: function(element, effect) { element = $(element); effect = (effect || 'appear').toLowerCase(); var options = Object.extend({ queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
}, arguments[2] || {}); Effect[element.visible() ?
Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);}
}; var Effect2 = Effect; Effect.Transitions = {}
Effect.Transitions.linear = Prototype.K; Effect.Transitions.sinoidal = function(pos) { return (-Math.cos(pos*Math.PI)/2) + 0.5;}
Effect.Transitions.reverse = function(pos) { return 1-pos;}
Effect.Transitions.flicker = function(pos) { return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;}
Effect.Transitions.wobble = function(pos) { return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;}
Effect.Transitions.pulse = function(pos) { return (Math.floor(pos*10) % 2 == 0 ?
(pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));}
Effect.Transitions.none = function(pos) { return 0;}
Effect.Transitions.full = function(pos) { return 1;}
Effect.ScopedQueue = Class.create(); Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), { initialize: function() { this.effects = []; this.interval = null;}, _each: function(iterator) { this.effects._each(iterator);}, add: function(effect) { var timestamp = new Date().getTime(); var position = (typeof effect.options.queue == 'string') ?
effect.options.queue : effect.options.queue.position; switch(position) { case 'front':
this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) { e.startOn += effect.finishOn; e.finishOn += effect.finishOn;}); break; case 'end':
timestamp = this.effects.pluck('finishOn').max() || timestamp; break;}
effect.startOn += timestamp; effect.finishOn += timestamp; if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
this.effects.push(effect); if(!this.interval)
this.interval = setInterval(this.loop.bind(this), 40);}, remove: function(effect) { this.effects = this.effects.reject(function(e) { return e==effect }); if(this.effects.length == 0) { clearInterval(this.interval); this.interval = null;}
}, loop: function() { var timePos = new Date().getTime(); this.effects.invoke('loop', timePos);}
}); Effect.Queues = { instances: $H(), get: function(queueName) { if(typeof queueName != 'string') return queueName; if(!this.instances[queueName])
this.instances[queueName] = new Effect.ScopedQueue(); return this.instances[queueName];}
}
Effect.Queue = Effect.Queues.get('global'); Effect.DefaultOptions = { transition: Effect.Transitions.sinoidal, duration: 1.0, fps: 25.0, sync: false, from: 0.0, to: 1.0, delay: 0.0, queue: 'parallel'
}
Effect.Base = function() {}; Effect.Base.prototype = { position: null, start: function(options) { this.options = Object.extend(Object.extend({},Effect.DefaultOptions), options || {}); this.currentFrame = 0; this.state = 'idle'; this.startOn = this.options.delay*1000; this.finishOn = this.startOn + (this.options.duration*1000); this.event('beforeStart'); if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ?
'global' : this.options.queue.scope).add(this);}, loop: function(timePos) { if(timePos >= this.startOn) { if(timePos >= this.finishOn) { this.render(1.0); this.cancel(); this.event('beforeFinish'); if(this.finish) this.finish(); this.event('afterFinish'); return;}
var pos = (timePos - this.startOn) / (this.finishOn - this.startOn); var frame = Math.round(pos * this.options.fps * this.options.duration); if(frame > this.currentFrame) { this.render(pos); this.currentFrame = frame;}
}
}, render: function(pos) { if(this.state == 'idle') { this.state = 'running'; this.event('beforeSetup'); if(this.setup) this.setup(); this.event('afterSetup');}
if(this.state == 'running') { if(this.options.transition) pos = this.options.transition(pos); pos *= (this.options.to-this.options.from); pos += this.options.from; this.position = pos; this.event('beforeUpdate'); if(this.update) this.update(pos); this.event('afterUpdate');}
}, cancel: function() { if(!this.options.sync)
Effect.Queues.get(typeof this.options.queue == 'string' ?
'global' : this.options.queue.scope).remove(this); this.state = 'finished';}, event: function(eventName) { if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this); if(this.options[eventName]) this.options[eventName](this);}, inspect: function() { return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';}
}
Effect.Opacity = Class.create(); Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), { initialize: function(element) { this.element = $(element); if(!this.element) throw(Effect._elementDoesNotExistError); if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1}); var options = Object.extend({ from: this.element.getOpacity() || 0.0, to: 1.0
}, arguments[1] || {}); this.start(options);}, update: function(position) { this.element.setOpacity(position);}
}); Effect.Scale = Class.create(); Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), { initialize: function(element, percent) { this.element = $(element); if(!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ scaleX: true, scaleY: true, scaleContent: true, scaleFromCenter: false, scaleMode: 'box', scaleFrom: 100.0, scaleTo: percent
}, arguments[2] || {}); this.start(options);}, setup: function() { this.restoreAfterFinish = this.options.restoreAfterFinish || false; this.elementPositioning = this.element.getStyle('position'); this.originalStyle = {}; ['top','left','width','height','fontSize'].each( function(k) { this.originalStyle[k] = this.element.style[k];}.bind(this)); this.originalTop = this.element.offsetTop; this.originalLeft = this.element.offsetLeft; var fontSize = this.element.getStyle('font-size') || '100%'; ['em','px','%','pt'].each( function(fontSizeType) { if(fontSize.indexOf(fontSizeType)>0) { this.fontSize = parseFloat(fontSize); this.fontSizeType = fontSizeType;}
}.bind(this)); this.factor = (this.options.scaleTo - this.options.scaleFrom)/100; this.dims = null; if(this.options.scaleMode=='box')
this.dims = [this.element.offsetHeight, this.element.offsetWidth]; if(/^content/.test(this.options.scaleMode))
this.dims = [this.element.scrollHeight, this.element.scrollWidth]; if(!this.dims)
this.dims = [this.options.scaleMode.originalHeight, this.options.scaleMode.originalWidth];}, update: function(position) { var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position); if(this.options.scaleContent && this.fontSize)
this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType }); this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);}, finish: function(position) { if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);}, setDimensions: function(height, width) { var d = {}; if(this.options.scaleX) d.width = Math.round(width) + 'px'; if(this.options.scaleY) d.height = Math.round(height) + 'px'; if(this.options.scaleFromCenter) { var topd = (height - this.dims[0])/2; var leftd = (width - this.dims[1])/2; if(this.elementPositioning == 'absolute') { if(this.options.scaleY) d.top = this.originalTop-topd + 'px'; if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';} else { if(this.options.scaleY) d.top = -topd + 'px'; if(this.options.scaleX) d.left = -leftd + 'px';}
}
this.element.setStyle(d);}
}); Effect.ScrollTo = Class.create(); Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), { initialize: function(element) { this.element = $(element); this.start(arguments[1] || {});}, setup: function() { Position.prepare(); var offsets = Position.cumulativeOffset(this.element); if(this.options.offset) offsets[1] += this.options.offset; var max = window.innerHeight ?
window.height - window.innerHeight :
document.body.scrollHeight - (document.documentElement.clientHeight ?
document.documentElement.clientHeight : document.body.clientHeight); this.scrollStart = Position.deltaY; this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;}, update: function(position) { Position.prepare(); window.scrollTo(Position.deltaX, this.scrollStart + (position*this.delta));}
}); Effect.Fade = function(element) { element = $(element); var oldOpacity = element.getInlineOpacity(); var options = Object.extend({ from: element.getOpacity() || 1.0, to: 0.0, afterFinishInternal: function(effect) { if(effect.options.to!=0) return; effect.element.hide(); effect.element.setStyle({opacity: oldOpacity});}}, arguments[1] || {}); return new Effect.Opacity(element,options);}
Effect.Appear = function(element) { element = $(element); var options = Object.extend({ from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0), to: 1.0, afterFinishInternal: function(effect) { effect.element.forceRerendering();}, beforeSetup: function(effect) { effect.element.setOpacity(effect.options.from); effect.element.show();}}, arguments[1] || {}); return new Effect.Opacity(element,options);}
Effect.BlindUp = function(element) { element = $(element); element.makeClipping(); return new Effect.Scale(element, 0, Object.extend({ scaleContent: false, scaleX: false, restoreAfterFinish: true, afterFinishInternal: function(effect) { effect.element.hide(); effect.element.undoClipping();}
}, arguments[1] || {}) );}
Effect.BlindDown = function(element) { element = $(element); var elementDimensions = element.getDimensions(); return new Effect.Scale(element, 100, Object.extend({ scaleContent: false, scaleX: false, scaleFrom: 0, scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, restoreAfterFinish: true, afterSetup: function(effect) { effect.element.makeClipping(); effect.element.setStyle({height: '0px'}); effect.element.show();}, afterFinishInternal: function(effect) { effect.element.undoClipping();}
}, arguments[1] || {}));}; ['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom', 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( function(f) { Element.Methods[f] = Element[f];} ); 